in a school, 4/9 of students are are boys and number of girls is775. find the number of boys in class

Let the total no. of students be x.

No. of boys = 4x/9

No. of girls = 5x/9 = 775

= x = 775 X 9/5 = 1395

No. of boys = 1395 X 4/9 = 620

Therefore, no. of boys are 620.

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